What absorbs at 3620 cm⁻¹ in an FTIR spectrum?
A band near 3620 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
可能的官能团归属
| 官能团 | 支持性事实 | 引用来源 | 最高置信度 |
|---|---|---|---|
| Hydroxyl (O-H) | 12 | 11 | 1.0 |
| Water (H2O) | 2 | 2 | 0.9 |
排名反映了累积的文献证据，而非单一的权威规则。请始终对照您的样品背景进行确认。
这些分配背后的文献
-
Hydroxyl (O-H) 置信度 1.0
“assigned to OH stretch”
Rukman 等 - 2019 - GO-Fe3O4 Nanocomposite from coconut shell Synthes DOI: 10.1088/1755-1315/217/1/012008 -
Hydroxyl (O-H) 置信度 0.95
“Explicit assignment: 'the peak at 3620 corresponds to the OH group'”
Cayirli 等 - 2023 - The effect of liquid grinding aids on the dry fine DOI: 10.37190/ppmp/165854 -
Water (H2O) 置信度 0.9
“Explicitly assigned to water molecules.”
Chen 等 - 2004 - ATR-FTIR spectroscopic studies on aqueous LiClO4, DOI: 10.1039/B311768E -
置信度 0.9
“Peaks at 3620, 3550, 3460, and 3355 cm-1 are related to hydrogen diffusion.”
Ferriss 等 - 2016 - Site-specific hydrogen diffusion rates during clin DOI: 10.1007/s00410-016-1262-8) -
Hydroxyl (O-H) 置信度 0.9
“Text: 'band observed at approximately 3620' associated with OH”
Risakotta 和 Andayany - 2020 - Mineral identification of rocks from Pohon Batu ho DOI: 10.1088/1742-6596/1572/1/012045 -
Hydroxyl (O-H) 置信度 0.9
“Assigned to OH stretching vibration.”
Souissi 等 - 2022 - Synthesis, Thermal Properties and Electrical Condu DOI: 10.21203/rs.3.rs-1294285/v1 -
Hydroxyl (O-H) 置信度 0.9
“Explicit assignment for kaolinite OH stretching.”
Weng 等 - 2020 - Black carbon enriches short-range-order ferrihydri DOI: 10.1016/j.scitotenv.2020.138195 -
置信度 0.9
“Explicitly stated: 'at 900 and 3620 for illite'”
Jorda 等 - 2022 - Characterisation of clays from Alicante province ( DOI: 10.1007/s10653-021-00925-y
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